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MS12NN, MS15NN, MS17NN
MODELS WIRING DIAGRAM
MU12NN, MU15NN, MU17NN
MODELS WIRING DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
DSAR
GRN/YLW
TO OUTDOOR
UNIT
CONNECTING
WIRES
DC12V
POWER
SUPPLY
115V
1 phase
60Hz
2
TB
RT12
RT11
C11
CN
112
CN
104
CN
102
CN
101
CN
151
CN
111
SR144
LDCOM
LDFH
LDFL
LDFM
LDC11
LDC12
SR142
SR143
1
12
1
2
3
4
5
6
7
8
2
3
MV
CN201
CN202
AUTO RESTART
ASSY
DISPLAY
P.C. BOARD
HIC1
NR11
MF
TAB12
F11
TRANS
YLW
WHT
ORN
RED
BLK
YLW
BLU
WHT
ORN
RED
BLK
YLW
BLU
BRN
GRN/YLW
N
BLK
L1
GROUND
RED
BRN
1
3 3 5 5
VLT
RECEIVER
P.C. BOARD
REMOTE
CONTROLLER
w
w
w
4321
POWER SUPPLY
208/230V
1phase 60Hz
GROUND
L1
TB
L2
WHT
COMNO
BLU
52C
RED
BLK
C
R
S
C2
C1
WHT
WHTWHT
BLK
BLU
RED
RED
ORN
ORN
MC
MF
FROM INDOOR UNIT
CONNECTING WIRES
DC12V
1
VLT
2
YLW
52C
RED
www
w
w
w
w
h
NOTE:1. For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing.
2. Use copper conductors only.(For field wiring)
3. Symbols below indicate.
: Terminal block, : Connector
NOTE:1. Use copper conductors only.(For field wiring)
2. “w”show the terminals with a lock mechanism, so they cannot be removed when you pull
the lead wire.
Be sure to pull the wire by pushing the locking lever(projected part) of the terminal with a finger.
3. Symbols below indicate.
: Terminal block, : Connector
1.Slide the sleeve.
2.Pull the wire while
pushing the locking
lever.
SYMBOL NAME SYMBOL NAME SYMBOL NAME
C11 INDOOR FAN CAPACITOR NR11 VARISTOR TB TERMINAL BLOCK
HIC1 DC/DC CONVERTER RT11
ROOM TEMPERATURE THERMISTOR
MV VANE MOTOR
F11 FUSE(3.0A) RT12
INDOOR COIL THERMISTOR
DSAR SURGE ABSORBER
MF INDOOR FAN MOTOR
SR142~SR144
SOLID STATE RELAY
SYMBOL NAME SYMBOL NAME SYMBOL NAME
C1
COMPRESSOR CAPACITOR
MF
OUTDOOR FAN MOTOR(INNER THERMOSTAT)
TB TERMINAL BLOCK
C2
OUTDOOR FAN CAPACITOR
MC
COMPRESSOR(INNER THERMOSTAT)
52C
COMPRESSOR CONTACTOR
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